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Related Concept Videos

Blood Studies for Cardiovascular System II: CRP, Hcy, and Cardiac Natriuretic Peptide Markers01:19

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Cardiac biomarkers are critical in diagnosing, prognosing, and managing cardiovascular diseases. Routine measurement of specific biomarkers such as B-type natriuretic peptide (BNP), C-reactive protein (CRP), and homocysteine (Hcy) is common practice in clinical settings to evaluate heart function and predict cardiovascular events.
These markers indicate stress or strain on the heart muscle:
Natriuretic Peptides (BNP)
Cardiac myocytes produce these hormones in response to ventricular stretching...
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Related Experiment Video

Updated: Nov 13, 2025

Simultaneous Study of the Recruitment of Monocyte Subpopulations Under Flow In Vitro
09:16

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Published on: November 26, 2018

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Monocyte Subset Recruitment Marker Profile Is Inversely Associated With Blood ApoA1 Levels.

Vyoma K Patel1,2, Helen Williams1,2, Stephen C H Li3,4

  • 1Vascular Biology Research Centre, Department of Surgery, Westmead Hospital, Westmead, NSW, Australia.

Frontiers in Immunology
|March 15, 2021
PubMed
Summary
This summary is machine-generated.

Dyslipidemia, particularly low Apolipoprotein A1 (ApoA1) levels, increases monocyte extravasation potential. This suggests dyslipidemia may enhance monocyte recruitment in cardiovascular disease development.

Keywords:
adhesionatherosclerosiscardiovascular diseasedyslipidemiamigrationmonocytes

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Area of Science:

  • Cardiovascular Biology
  • Immunology
  • Lipid Metabolism

Background:

  • Dyslipidemia is a key driver of atherosclerosis, characterized by plaque development.
  • Monocyte influx into the vessel wall is crucial for plaque progression.
  • The link between dyslipidemia and monocyte extravasation potential remains unclear.

Purpose of the Study:

  • To investigate if dyslipidemia is associated with an increased potential for monocyte extravasation.
  • To examine recruitment marker expression on monocyte subsets in relation to lipid profiles.

Main Methods:

  • Flow cytometry was used to analyze monocyte subsets from healthy individuals with varying lipid profiles.
  • Expression of recruitment markers was compared across monocyte subsets and participants.
  • Correlations between marker expression and lipid levels, specifically Apolipoprotein A1 (ApoA1), were assessed.

Main Results:

  • Monocyte subsets exhibited distinct recruitment marker expression patterns.
  • Significant inter-participant variability in marker expression was observed, overshadowing subset differences.
  • Higher expression of multiple recruitment markers correlated with lipid profiles, notably an inverse correlation with ApoA1 levels.

Conclusions:

  • Dyslipidemia, especially low ApoA1, is linked to an elevated capacity for all monocyte subsets to extravasate.
  • This extravasation involves a broader range of recruitment markers than previously recognized.
  • Findings highlight a potential mechanism linking dyslipidemia to enhanced monocyte recruitment in cardiovascular disease.